import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/login'
import Home from '../components/home'
import Welcome from '../components/welcome'
import Users from '../components/user/users'
import Rights from '../components/power/rights'
import Roles from '../components/power/roles'
import Cate from '../components/goods/cata'
import Params from '../components/goods/params'
import List from '../components/goods/list'
import Add from '../components/goods/add'
import Order from '../components/order/order'
import Report from '../components/report/repoet'
Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: List },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Order },
        { path: '/reports', component: Report }
      ]
    }
  ]
})
// 挂载路由单行守卫
router.beforeEach((to, from, next) => {
// to 将要访问的路径 from 代表从哪个路径跳转而来
// next 是一个函数，表示放行 next()放行 next('/login')强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
